Light bleeding ... what was that? Can i keep my hopes up?

i was suppose to start on 20th ... but nothing...on 21st june at night some light very light bleeding started n i thought its my periods . But even after many hours it was still light and watery ... less blood n more watery. Light pink/red ... it coninues like this for about 2 days on n off .... and now its ended with brown thik discharge. It was entirely light n short bleeding as compared to ma reguar periods. Cn i be pregggers? im actively trying ..I took one HPT the day it started .. it was v v faint line almost a shadow like .... im confused :S..... any hope?